전자부품 데이터시트 검색엔진 |
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TSC21020F 데이터시트(PDF) 1 Page - ATMEL Corporation |
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TSC21020F 데이터시트(HTML) 1 Page - ATMEL Corporation |
1 / 50 page Rev. 4153I-AERO–04/07 1 Features • Superscalar IEEE Floating-Point-Processor • Off-Chip Harvard Architecture Maximizes Signal Processing Performance • 50 ns, 20 MIPS Instruction Rate, Single Cycle Execution • 60 MFLOPS Peak, 40 MFLOPS Sustained Performance • 1024-Point Complex FFT Benchmark: 0.975 ms • Divide (y/x): 300 ns • Inverse Square Root (1/ /x): 450 ns • 32-bit Single-Precision and 40-bit Extended-Precision IEEE Floating-Point Data Formats • 32-bit Fixed-Point Formats, Integer and Fractional, with 80-bit Accumulators • IEEE Exception Handling with Interrupt on Exception • Three Independent Computation Units: Multiplier, ALU, and Barrel Shifter • Dual Data Address Generators with Indirect, Immediate, Modulo, and Bit Reverse Addressing Modes • Two Off-Chip Memory Transfers in Parallel with Instruction Fetch and Single-Cycle Multiply and ALU Operations • Multiply with Add and Subtract for FFT Butterfly Computation • Efficient Program Sequencing with Zero Overhead Looping: Single-Cycle Loop Setup • Single-Cycle Register File Context Switch • 23ns External RAM Access Time for Zero-Wait-State, 40 ns Instruction Execution • IEEE JTAG Standard 1149.1 Test Access Port and On-chip Emulation Circuitry • 223 CPGA package for breadboarding • 256 Multi-layer Quad Flat Pack, Flat Leads, For Flight Models • Fully compatible with Analog Devices ADSP-21020 • No Single Event Latch-up below a LET Threshold of 80 MeV/mg/cm2 • Tested up to a Total Dose of 100 krads (Si) according to MIL STD 883 Method 1019 • SEU Error Note in GEO Orbit Better than 5E-7 Error/Device/Day (worst case) • For 25 MHz Specification, Contact Atmel for Availability • Quality Grades - ESCC with 9512/002 and QML-Q or V with 5962-99539 Introduction Atmel is manufacturing a radiation hard version of the Analog Devices ADSP-21020 32/40-bit Floating-Point DSP. The product is pin and code compatible with ADI product, making system develop- ment straight forward and cost effective, using existing development tools and algorithms. Notes: 1. Design using patent from INPG-CNRS Denis BESSOT/Raoul VELAZCO 2. Product licensed from Analog Devices Inc. Rad. Hard 32/40-bit IEEE Floating Point DSP TSC21020F |
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